During training at the Red Bull Arena on Tuesday night, Javier Hernandez suffered mild concussion, ahead of United’s friendly clash with the MLS All-Stars.

A club spokeswoman told ManUtd.com: “Chicharito sustained a mild concussion during training last night. We have taken all the necessary precautions, which included an overnight stay in hospital. The manager will give further updates in due course.”

Chicharito had only joined up with the squad on Monday, following the success he enjoyed with Mexico in the Gold Cup, and will now miss tonight’s clash, and possibly the weekend’s game against Barcelona too.